Home / 7,715,279.76-11,575,166.79-3,454,451.55

Finding the Fourth Proportional to 7,715,279.76, 11,575,166.79 and 3,454,451.55

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Solution

The fourth proportional to 7,715,279.76, 11,575,166.79 and 3,454,451.55 is: 5,182,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,279.76 : 11,575,166.79 = 3,454,451.55 : x
  2. Step 2: Convert to fraction form
    7,715,279.76/11,575,166.79 = 3,454,451.55/x
  3. Step 3: Cross multiply
    7,715,279.76x = 11,575,166.79 × 3,454,451.55
  4. Step 4: Simplify right side
    7,715,279.76x = 39,985,852,859,224.02
  5. Step 5: Solve for x
    x = 39,985,852,859,224.02/7,715,279.76
  6. Step 6: Final answer
    x = 5,182,683.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.